参数资料
型号: MSP430F4260IRGZT
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 8 MHz, RISC MICROCONTROLLER, PQCC48
封装: GREEN, PLASTIC, QFN-48
文件页数: 16/63页
文件大小: 1342K
代理商: MSP430F4260IRGZT
MSP430F42x0
MIXED SIGNAL MICROCONTROLLER
SLAS455D MARCH 2005 REVISED APRIL 2007
23
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
POR/brownout reset (BOR) (see Note 1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
td(BOR)
2000
μs
VCC(start)
dVCC/dt ≤ 3 V/s (see Figure 6)
0.7
× V(B_IT)
V
V(B_IT)
Brownout
dVCC/dt ≤ 3 V/s (see Figure 6 through Figure 8)
1.71
V
Vhys(B_IT)
(see Note 2)
dVCC/dt ≤ 3 V/s (see Figure 6)
70
130
180
mV
t(reset)
Pulse length needed at RST/NMI pin to accepted reset internally,
VCC = 2.2 V/3 V
2
μs
NOTES:
1. The current consumption of the brownout module is already included in the ICC current consumption data. The voltage level
V(B_IT) + Vhys(B_IT) is ≤ 1.8V.
2. During power up, the CPU begins code execution following a period of td(BOR) after VCC = V(B_IT) + Vhys(B_IT). The default
FLL+ settings must not be changed until VCC ≥ VCC(min), where VCC(min) is the minimum supply voltage for the desired
operating frequency. See the MSP430x4xx Family User’s Guide (SLAU056) for more information on the brownout.
typical characteristics
0
1
t d(BOR)
VCC
V(B_IT)
Vhys(B_IT)
VCC(start)
Figure 6. POR/Brownout Reset (BOR) vs Supply Voltage
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